1. (3) IEC 60034-30-1: Rotating electrical machines-Part 30-1: Efficiency classes of line operated AC motors (IE code) (2014)
2. (4) R. Mizutani: Technical Transition of Motors for Hybrid Vehicles The Journal of the Institute of Electrical Engineers of Japan, Vol. 138, No. 5 (2018) (in Japanese)
3. (5) Z. Wang, Y. Enomoto, M. Ito, R. Masaki, S. Morinaga, H. Itabashi, and S. Tanigawa: “Development of a Parmanent Magnete Motor Utilizing Amorphous Wound Cores”, IEEE Transactions on Magnetics, Vol. 46, No. 2 (2010)
4. (8) Y. Enomoto, H. Tokoi, T. Imagawa, T. Suzuki, T. Obata, and K. Souma: “Development of IE5-class efficiency standard amorphous motor”, Journal of the Japan Society of Applied Electromagnetics and Mechahincs, Vol. 24, No. 3, pp. 258-263 (2016) (in Japanese)
5. (9) Y. Enomoto: “Basic Study on Radial Gap Type Amorphous Motor”, RM-18-137 (2018) (in Japanese)